-stomous
1.
a combining form meaning “having a mouth” of the kind or number specified by the initial element:
monostomous.
Origin
<
Greek
-stomos
-mouthed, adj. derivative of
stóma
mouth; see
-stome
,
-ous
British Dictionary definitions for
-stomous
-stomous
combining form
1.
having a specified type of mouth:
monostomous